sys.database_event_session_fields

Applies to: SQL Server 2016 (13.x) and later versions Azure SQL Database Azure SQL Managed Instance SQL database in Microsoft Fabric

The sys.database_event_session_fields dynamic management view (DMV) returns a row for each customizable column that was explicitly set on events and targets in a database-scoped event session.

• Azure SQL Database and SQL database in Fabric support only database-scoped sessions.
• Azure SQL Managed Instance supports both database-scoped sessions and server-scoped sessions. Server-scoped sessions are recommended for SQL managed instances. For more information, see CREATE EVENT SESSION code examples.

Column name	Data type	Description
event_session_id	int	The ID of the event session. Is not nullable.
object_id	int	The ID of the object this field is associated with. Is not nullable.
name	sysname	The name of the field. Is not nullable.
value	sql_variant	The value of the field. Is not nullable.

Permissions

Requires the VIEW DATABASE PERFORMANCE STATE permission.

Remarks

This view has the following relationship cardinalities.

From	To	Relationship
sys.database_event_session_actions.event_session_id	sys.database_event_sessions.event_session_id	Many to one
sys.database_event_session_actions.event_id sys.database_event_session_actions.object_id sys.database_event_session_actions.event_session_id	sys.database_event_session_events.event_session_id sys.database_event_session_events.event_id	Many to one
sys.database_event_session_actions.event_session_id sys.database_event_session_actions.object_id	sys.database_event_session_targets.event_session_id sys.database_event_session_targets.target_id	Many to one

Related content

• Extended events in Azure SQL Database
• Event File target code for extended events in Azure SQL Database and SQL Managed Instance
• sys.database_event_sessions (Azure SQL Database and Azure SQL Managed Instance)
• sys.database_event_session_actions (Azure SQL Database and Azure SQL Managed Instance)
• Monitoring Microsoft Azure SQL Database and Azure SQL Managed Instance performance using dynamic management views